OpenAI · API model
GPT-6.1 Sol
API id gpt-6.1-sol prices checked
- Input
- $2.00/1M
- Output
- $10.00/1M
- Context
- 1.05Mtokens
- Max output
- 128Ktokens
- Knowledge cutoff
- Apr 2026
- Typical request
- $0.007
Pricing
US dollars per 1 million tokens. A typical request (1,000 input + 500 output tokens) costs $0.007 at standard rates.
| Rate | Input | Cached input | Output |
|---|---|---|---|
| Standard | $2.00 | $0.10 | $10.00 |
| Long promptsPrompts over 272K tokens | $4.00 | $0.20 | $15.00 |
| BatchAsynchronous, results within 24 hours | $1.00 | — | $5.00 |
| FlexLower price, slower responses | $1.00 | — | $5.00 |
| PriorityFast mode, 2x standard. Ultrafast (6x) is also offered. | $4.00 | — | $20.00 |
Capabilities and limits
| Context window | 1.05M tokens |
|---|---|
| Max output | 128K tokens |
| Input | TextImages |
| Output | Text |
| Reasoning | Adjustable effort |
| Tool use | Yes |
| Structured output (JSON) | Yes |
| Knowledge cutoff | Apr 30, 2026 |
Lifecycle status
No deprecation or shutdown date announced on OpenAI's official deprecations page as of Oct 23, 2026.
Change history
Launches, price changes and retirements for GPT-6.1 Sol, newest first, each linked to the vendor's notice.
Ultrafast processing for GPT-6.1 Sol
6x the standard price: $12 / $60 per 1M tokens.
vendorOpenAI API changelog
GPT-6.1 Sol released at $2 / $10 per 1M tokens; Ultrafast tier for GPT-6 Astra
6.1 Sol cuts cached input to $0.10. Astra Ultrafast costs $60 / $300 (6x standard), US data residency only.
vendorOpenAI API changelog
Benchmarks and speed
Not collected yet. Scores will come only from independent leaderboards, each shown with its source and test date.
Planned: GPQA Diamond, SWE-bench Verified, AIME 2025, LMArena Elo, output speed and time to first token.
Where these numbers come from
Every value is an observation with a source and a date. independent is a third-party catalog, vendor is the model maker's own page, derived is our calculation.
| Field | Value | Source | Observed |
|---|---|---|---|
| Standard price, input / output | $2.00 / $10.00 | vendorOpenAI API pricing | Oct 17, 2026 |
| Standard price, input / output | $2.00 / $10.00 | independentLiteLLM | Oct 17, 2026 |
| Standard price, input / output | $2.00 / $10.00 | independentOpenRouter | Oct 17, 2026 |
| Context window / max output | 1,050,000 / 128,000 tokens | vendorOpenAI model docs | Oct 17, 2026 |
| Release date | 2026-09-29 | vendorOpenAI API changelog | Oct 17, 2026 |
| Position in the family | Newer version of GPT-6 Sol; recommended in Codex for complex work | vendorOpenAI launch post | Oct 17, 2026 |